Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2024, 18:52

General

  • Target

    5e2bd3b0f5e70aac790a0049292f9588a150a5dd26a78bf15c8bc1b6266f19caN.exe

  • Size

    90KB

  • MD5

    72f6c76b25e428ccfa98a25cae2ad5c0

  • SHA1

    395d3c8e47d10c33fef1506923ea5f3060f32f17

  • SHA256

    5e2bd3b0f5e70aac790a0049292f9588a150a5dd26a78bf15c8bc1b6266f19ca

  • SHA512

    ede43788aa31428b5936ea36d942b833c255613e39a1983c648df2d8ae7de2dd18b59ba9d0826cd44400adf76466decddcf7a3e27e20a0323de84f49acdb9526

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e2bd3b0f5e70aac790a0049292f9588a150a5dd26a78bf15c8bc1b6266f19caN.exe
    "C:\Users\Admin\AppData\Local\Temp\5e2bd3b0f5e70aac790a0049292f9588a150a5dd26a78bf15c8bc1b6266f19caN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\5e2bd3b0f5e70aac790a0049292f9588a150a5dd26a78bf15c8bc1b6266f19caN.exe
      "C:\Users\Admin\AppData\Local\Temp\5e2bd3b0f5e70aac790a0049292f9588a150a5dd26a78bf15c8bc1b6266f19caN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:776
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BMRNB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1432
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2604
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2888
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:344
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BMRNB.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    90KB

    MD5

    13e3bef52738fed73a77b10c51448547

    SHA1

    94e8279e5e008c294e2c73173c5c1a629e11a571

    SHA256

    8c1b871fea43f767829be07585449dfc492c3318897ecfd365754b576cc818fa

    SHA512

    5634427ce102597115a44b4351c688b218b5ebfb52107cb8dfc9ef6fa0fdae38ad7299af0516b08039d3c2d8cd81a07309139b47c454ab6cd03080fd1067b00d

  • memory/344-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/344-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-250-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/776-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-249-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-217-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-148-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-149-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-150-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-151-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-152-0x0000000002610000-0x0000000002663000-memory.dmp

    Filesize

    332KB

  • memory/776-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/776-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1928-267-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1928-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2440-40-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2440-60-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2440-70-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2440-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2440-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2440-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2440-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2440-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2440-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2888-170-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2888-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2888-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2888-181-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2888-160-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2888-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB